InChI=1/C17H20N6/c1-12-13(2)21-22-17(15(12)11-18)20-14-6-9-23(10-7-14)16-5-3-4-8-19-16/h3-5,8,14H,6-7,9-10H2,1-2H3,(H,20,22)/p+1/fC17H21N6/h19-20H/q+1 5BCD6BEC11E6B3F8